Which of the following is responsible for turning Taj Mahal yellow?

• Sulphur dioxide is responsible for turning Taj Mahal yellow.
• It also gets dull due to mineral impurities present in the marble get oxidised and create brown stains.
• The Air Pollution Monitoring Laboratory at Agra has found that the level of air pollutants such as Sulphur-di-oxide and Nitrous Oxide gases - are generally responsible for turning Taj Mahal yellow.
• It happens due to a large number of power plants and industries structured around Taj Mahal.

Sulphur dioxide

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